diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libm/atanh.c')
-rw-r--r-- | mdk-stage1/dietlibc/libm/atanh.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libm/atanh.c b/mdk-stage1/dietlibc/libm/atanh.c new file mode 100644 index 000000000..bdb3367be --- /dev/null +++ b/mdk-stage1/dietlibc/libm/atanh.c @@ -0,0 +1,8 @@ +#include <math.h> + +extern const float __half; + +double atanh ( double x ) +{ + return __half * log ( (1.+x) / (1.-x) ); +} |